Fix rid setting in signaling (#213)

Author: starwarfan

src/sdk/conference/channel.js

@@ -319,10 +319,12 @@ export class ConferencePeerConnectionChannel extends EventDispatcher {
           framerate: options.video.frameRate,
           bitrate: options.video.bitrateMultiplier ? 'x'
               + options.video.bitrateMultiplier.toString() : undefined,
-          keyFrameInterval: options.video.keyFrameInterval,
-          simulcastRid: options.video.rid
+          keyFrameInterval: options.video.keyFrameInterval
         };
       }
+      if (options.video.rid) {
+        mediaOptions.video.simulcastRid = options.video.rid;
+      }
     } else {
       mediaOptions.video = false;
     }

src/sdk/conference/streamutils.js

@@ -74,7 +74,9 @@ export function convertToPublicationSettings(mediaInfo) {
         framerate = videoInfo.parameters.framerate;
         bitrate = videoInfo.parameters.bitrate * 1000;
         keyFrameInterval = videoInfo.parameters.keyFrameInterval;
-        rid = videoInfo.parameters.simulcastRid;
+      }
+      if (videoInfo.simulcastRid) {
+        rid = videoInfo.simulcastRid;
       }
       video.push(new PublicationModule.VideoPublicationSettings(
         videoCodec, resolution, framerate, bitrate, keyFrameInterval, rid));